Crimping-machine



A. J. BATES, 1R.

CRIMPING MACHINE.

APPL 9n. 1,328,411, Patented Jan. 20, 1920.

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A. J. BATES, JR.

CRIMPING MACHINE.

APPLICATION FILED MAY 11, 1912.

Patented Jan. 20, 1920.

' SHEETS-SHEET 2.

\ l mll A. .l. BATES, JR.

CRIMPING MACHINE.

APPLICATION FILED MAY H. 1911.

1,328,411. 37 I 2 Patented Ja1'1.20,l920.

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CRIMPING MACHINE.

I APPLICATION FILED MAY 11, 1917- v 1,328,41 1 Patented Jan. 20, 1920.

'4SHEETSSHEET 4.

UNITED STATES PATENT OFFICE.

ALBERT J. BATES, JR.. OF CHICAGO. ILLINOIS, ASSIGNOR, BY MESNE ASSIGNMENTS, TO DAVID S. GARDNER, OF CHICAGO, ILLINOIS.

CRIMPING-MACHIN E.

Application filed May 11, 1917.

To all whom it may concern:

Be it known that I, ALBERT a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Crimping-Machines, of which the following is a specification.

This invention relates to in'iprovements in machines for crimping sheets of, paper and other sheet material. The object of the invention is to provide a new and improved machine for operating upon a flat sheet of paper or other sheet material to transform it into a transversely crimped and snugly con'ipressed condition.

In its entirety the machine of my present invention embodies as its principal features a pair of crimping elements, preferably rolls carrying cooperating toothed segments, by which the crimping of the sheet is effected, a moving device in rear of the crimping ele ments containing spaced pockets to receive the crimped and compressed sheets and to hold them in compressed condition while subjected to heat for a sufficient time to fixor set them in the compressed or compacted condition. and a pusher or follower member that advances the sheet between the crimping elements and later forces each sheet into a pocket of the receiver.

The invention, its principle of operation. and the advantages secured thereby will be readily understood from the following description taken'in connection with the accompanying drawings wherein I have illustrated one practical and workable embodiment of the invention, and wherein,

Figure 1 is a top plan view of the machine, partly broken away and in section;

Fig. 2 is a vertical section on the line 2-2 of Figs. 1 and 4;

Fig. 3 is a side elevation;

Figs. 1 and 5 are enlarged vertical sections through the crimping rolls, paper-setting drum, and feed mechanism, Fig. 4 illustrating a partially advanced position of the feeding and compressing device, and Fig. 5 illustrating the fully advanced position of the paper feeding and compressing device;

Fig. 6 is a central vertical longitudinal section through the crimping rolls,'on the line 66 of Fig. 5;

Fig. '7 is an enlarged front elevation of the paper-fixing drum and its easing, show- Specification of Letters Patent.

J. BATES, Jr.,

Patented Jan. 20, 1920.

Serial No. 167,889.

ing the receiving mouth of the latter, the casing being end to show the drum therein;

Fig. 8 is a perspective view of portions of the upper crimping roll, the feeding mechanism, the drum and its certain guide strips which cooperate with the pusher plate of the feeding mechanism;

Fig. 9 is a detail view illustrating the actuating mechanism of the pusher plate and also the mechanism for stepping the drum around between successive reciprocations of the pusher plate to bring a new pocket into receiving position;

Fig.'10 is an enlarged detail of the paper after it has passed between the crimping segments of the crimping rolls but before it has been compressed;

Fi 11 is a view SllIllltll' to Fig. 10, showing the compressed or compacted form of the sheet after it has been delivered from the fixing or setting drum.

Referring to the drawings, 12 designates each of-a pair of standards or uprights, each supporting a horizontal bar 13. Bolted to these bars 13 are a pair of rearwardly extending parallel horizontal arms 14, be

tween which is a transverse bar 15 secured.

thereto by machine screws 16. This bar, as best shown in Fig. 2, is transversely grooved, and in these grooves are secured a series of parallel narrow forwardly extending grid bars-17 that constitute a skeleton support for the paper sheet as it is fed to and between the crimping rolls. A transverse bar 18 Figs. at and 5) constitutes a stop for the outer ends of the grid bars 17.

The arms ll at their inner ends are formed with upstanding members 19, and similar upstanding members 20 are formed on the opposite ends of a circular drum casing 21, hereinafter more particularly described. Between the uprights 19 and 20, on each side of the machine, are housed suitable journal bearings for upper and lower crimping rolls 22 and 23 respectively. Each of these rolls is provided with uniformly spaced transverse grooves or channels 24, best shown in Fig. 6, the grooves or channels of the upper roll being occupied by depending front and rear guides 25 and 26 respectively, most clearly shown in Figs. 4 and 8, the lower ends of these guides being carved on the lower side of the upper roll to meeting position, and the rear guides 26 casing, and

having straight horizontal lower edges 26. The guide strips 25 and 26 project slightly beyond the periphery of the roll 22 andare secured at their upper ends in marginal notches 27 formed in a bar 28 that is secured to and supported on the upper ends of the uprights 1t) and 20, clamps 29 secured to the edges of bar 28 by screws 30 serving to hold the guide strips in place.

The grid bars 17 extend between and be yond the rolls, lying in the transverse channels 21 of the lowerroll, as most clearly shown in Fig. 4: and projecting slightly beyond the periphery thereof. On the periphery of the roll 22 are formed a series of toothed segments 31 that are arranged in alinement lengthwise of the roll and each of which lies between adjacent grooves or channels 24. Similar cooperating segments 32 are formed on the lower roll 23. The rolls revolve in opposite directions at the same speed, and the toothed segments are so placed that once during each revolution they meet and effect a crimping action upon a sheet of paper or other material passing be I tween them.

The feedlng mechanism comprises essentially a. plate 33 that, as best shown in Fig. .2, is grooved at 34 on its underside to engage and ride over the grid bars 17 This feed plate is also provided on its upper side with a corresponding series of shallow grooves or channels that, as the plate is advanced between the rolls,-engage the lower edges of the guides 25 and 26. At its rear end the feed plate 33 is formed with laterally extending lugs 36, best shown in Fig. 1, that rest upon and extend beyond the upper sur-v faces of the arms 14.

Fast on one end of the shaft of the upper roll 22 is a drive pulley 37, and also fast .on the same shaft is aspur gear 38 that meshes with and drives. a similar gear 39 of .the same size that is fast on the shaft of the lower roll 23, whereby said rolls are driven simultaneously in opposite directions ,at equal speeds. On the other end of the shaft of the upper roll 22 is a disk 10. On the outer faces of the pulley 37 and disk 40 are wrist pins -11 that are connected by pitmen 42 to wrist pins 13 formed on the outer sides of a pair of sleeves 44 which latter receive the lugs 36 of the feed plate 33, being secured thereto by clamp screws 45. A stationary plate 46 overlies the reciprocating pusher plate 33 and is secured at its four corners by screws 47 to the upper sides of the arms 14, being suitably spaced therefrom to permit the free reciprocation thereunder of the plate 33 and its lugs 36. Preferably and as'shown, the forward edge of the plate 46 is beveled or chamfered. as indicated at 48, to facilitate the manual feeding of a stack of paper sheets resting on the plate 46 down onto the grid bars 17 The drum casing 21, located in rear of the crimping rolls, is formed on the side nearest to the rolls with a pair of upper and lower lips 50 and 51, between which is a longitudinal slot or mouth 52 which lies in the horizontal plane of the pusher plate 33 and has a width just sufiicient to permit the passage of the advance portion of said plate therethrough. The lips 50 and 51 are vertically slotted at intervals, as shown at 53 and 54, to accommodat the guide strips 26 and the grid bars 17 as best shown in Fig. 8.

Rotatably mounted in the. shell or casing 21 is the drying and fixing drum 55. In the periphery of the drum are a series of uniformly spaced longitudinal grooves or channels 56 that constitute receiving pockets for the crimped and flattened strips. On one end of the drum shaft is a ratchet disk 57 (Figs. 1 and 9) that once during each complete. rotation of the crimping rolls is engaged by a pawl 58 that is fast on the hub of the disk 40, whereby the drum is shifted, in a step-by-step movement, to bring the pockets 56 successively, into register with th mouth or slot 52. The drum 55 is further formed with uniformly spaced transverse grooves or channels 59 deeper than the lon gitudinal grooves 56, that are entered by a corresponding series of ejector fingers 60 (Fig. 5) secured by clamps 61 to th lower lip of the drum casing; the lower side of the drum casing 21 being cut away as shown at 21 to allow the admission of the ejector fingers 60 and the discharge of the crimped and set strips ejected by the fingers from the pockets of the drum.

For the purpose of heating the drum 55 a supply pipe 62 (Fig. 3) for gas and airleads into one end of the drum, its inner end being provided with a suitable burner tip or nozzle (not shown).

In the operation of the machine, a stack of paper sheets is placed on the stationary plate 46, and when the pusher plate 33 is in its fully retracted position the top sheet of the stack is slid down over the beveled'edge 18 onto the grid bars 17. As the pusher plate advances it engages the rear edge of the sheet and pushes the latter toward the crimping iolls, the toothed segments 31 and 32 of the latter engaging the forward edge of the sheet and crimping the latter between them, as indicated in Fig. 1, the sheet after passing between the crimping segments having the form shown at A in Fig. 10. On the continued advance of the pusher plate, the crimped sheet is forced into one of the drum pockets 56, being compressed or compacted therein as indicated in Fig. 5. During this final movement of the strip it is confined above and below by the lower edge 26' of th guide strips 26 and the upper edges of the grid bars 17, thereby preventing any buckling, and guiding the strip into the drum pocket. Thereupon the drum is advanced one step by the pawl 58 and ratchet 57, bringing the next empty pocket into re ceiving position, the pusher plate is retracted, and the described cycle of operations is repeated. The compressed strips are retained in the drum pockets by the inner surface of the drum casing 21 long enough to fix or set the strips by natural moisture therein. and the strips are finally ejected by the fingers 60 as they successively pass beneath th latter. As the strips are delivered they have substantially the form shown at A in Fig. 11. The strips may be transversely perforated, as shown at a in Figs. 10 and 11, where it may be desired to separate each finished strip into a number of shorter sections, but this has nothing to do with the present invention.

The machine shown and described may obviously be modified in detail without departing from the principle of the invention or sacrificing any of the advantages thereof. Hence I do not limit the invention to the particular construction described the extent indicated in specific claims.

I claim:

1. In a machine of the character described, the combination of a pair of cooperating crimping elements, a movable fixing or setting device in rear of the crimping elements containing spaced pockets to receive the sheets after the latter have been operated upon by the crimping elements, means for heating said fixing or setting device, and a feed device operating to advance each sheet between said crimping elements and later compress and force the same into a pocket of the fixing or setting device.

2. In a machine of the character described, the combination of a pair of rolls having cooperating toothed crimping segments, a movable tixing or setting device in rear of said rolls containing spaced pockets to receive the sheets after the latter have been operated upon by the crimping segments, means for heating said fixing or setting device, and a feed device operating to advance each sheet between said crimping segments and later compress and force the same into a pocket of the fixing or setting device.

3. In a machine of the character described, the combination of a pair of cooperating crimping elements. a drum in rear of said elements containing spaced peripheral pockets, a drum casing. surrounding said drum and having a receiving mouth and a discharge opening, means for heating said drum. a feed device operating to advance each sheet between said crimping elements and compress and force the same through said mouth and into a pocket of said drum,

the drying out of the.

except to pockets, a ratchet wheel fast and means for imparting a step-by-step rovance each sheet between said crimping seg-.

ments and compress and force the same through said mouth and into a pocket of said drum, and means for imparting a stepby-step rotation to said pockets successively into register with said mouth.

In a machine of the character described, the combination, with mechanism for crimping a sheet, of a drmn in rear of said crimping mechanism formed with longitudinal peripheral pockets, and transverse peripheral grooves of greater depth than said pockets, a drum casing surrounding said drum and having a receiving mouth and a discharge opening, means for heating said drum, meansfor compressing and forcing a crimped sheet through said mouth and into a pocket of said drum, means for imparting a step-by-step rotation to said drum to bring said pockets successively into register with said mouth, and stationary ejector fingers projecting through the discharge opening of said casing into the transverse grooves of said drum.

6. In a machine of the character described, the combination of a pair of crimping rolls, a. rotatable fixing drum in rear of said rolls having spaced peripheral pockets to receive crimped sheets from said crimping rolls, means for forcing the crimped sheets from said rolls into said pockets, and a driving connection between said rolls and said drum operating to turn the latter the distance be tween adjacent pockets at each complete revolution of said rolls.

7. In a machine of the character described, the combination of a pair of crimping rolls geared to rotate at equal speeds in opposite directions, a rotatable fixing drum in rear of said rolls having spaced peripheral pockets to receive crimped sheets from said crimping rolls, means for forcing the crimped sheets from saio rolls into said with said drum, and a pawl fast with one of said rolls and at each rotation of the latter engaging said 'atchet wheel and turning said drum the distance between adjacent pockets.

ALBERT .l. BATES, .ln.

drum to bring said 

